package itheima.itheima_232;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class ListDemo {
    public static void main(String[] args) {
        List<Student> list =new ArrayList<Student>();
        Student s1=new Student("张三三",40);
        Student s2=new Student("张三",50);
        Student s3=new Student("张",60);
        list.add(s1);
        list.add(s2);
        list.add(s3);


        Iterator<Student> it=list.iterator();
        while (it.hasNext()){
            Student s=it.next();
            System.out.println(s.getName()+","+s.getAge());
        }
        System.out.println("--------");
        //for循环

        for (int i=0;i<list.size();i++){
            Student s = list.get(i);
            System.out.println(s.getName()+","+s.getAge());
        }
        System.out.println("--------");

        //增强for循环
        for (Student s : list){
            System.out.println(s.getName()+","+s.getAge());
        }
    }
}
